author | yiluzhu |
Mon, 22 Mar 2010 16:53:05 +0000 | |
branch | fix |
changeset 389 | e96373427706 |
parent 0 | 044383f39525 |
child 590 | 360bd6b35136 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#if !defined(__MEMMAPUTILS_H__) |
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#define __MEMMAPUTILS_H__ |
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#ifdef WIN32 |
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#include <windows.h> |
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#include <io.h> |
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#endif |
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#include <fcntl.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <stdio.h> |
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#include <string> |
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#include <fstream> |
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#include "h_utl.h" |
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typedef std::string String; |
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typedef std::ofstream Ofstream; |
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const int KStatTrue = 1; |
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const int KStatFalse = 0; |
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/** |
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class MemmapUtils |
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@internalComponent |
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@released |
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*/ |
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class MemmapUtils |
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{ |
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private: |
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// Memory map file descriptor |
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int iHFile; |
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#ifdef WIN32 |
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// Windows specific Memory map object handle |
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HANDLE iHMMFile; |
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#endif |
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// Map file name |
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String iMapFileName; |
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public: |
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MemmapUtils(); |
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~MemmapUtils(); |
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// Generate temporary file name |
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void GetMapFileName(String& aFile); |
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// Create the memory map |
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void* OpenMemMapPointer(unsigned long aOffset, unsigned long aSize); |
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// Close the memory map |
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int CloseMemMapPointer(void* aData, unsigned long aSize); |
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// Open the file for memory mapping |
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int OpenMapFile(); |
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// Close the memory mapped file |
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void CloseMapFile(); |
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// Delete the memory mapped file |
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void DeleteMapFile(); |
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int IsMapFileOpen(); |
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// Windows specific file mapping object |
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int CreateFileMapObject(unsigned long aSize); |
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void CloseFileMapObject(); |
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}; |
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#endif //__MEMMAPUTILS_H__ |